Hey netfilter guys
I am tryin to write java binding for a little program of mine to netfilter_queue
here is source code for jnetfilter.c:
JNIEXPORT jlong JNICALL Java_com_kwanta_firewall_NetfilterQueue_nfqOpen
(JNIEnv * env, jclass clazz)
{
jlong pointer;
struct nfq_handle* handle;
handle = nfq_open();
//pointer = &handle;
return pointer;
}
Everything compiles fine:
**** Build of configuration Debug for project libjnetfilter ****
make all
Building file: ../jnetfilter.c
Invoking: GCC C Compiler
gcc -I/usr/lib/jvm/java-6-sun/include -I/usr/lib/jvm/java-6-sun/include/linux -O0 -g3 -Wall -c -fmessage-length=0 -MMD -MP -MF"jnetfilter.d" -MT"jnetfilter.d" -o"jnetfilter.o" "../jnetfilter.c"
Finished building: ../jnetfilter.c
Building target: libjnetfilter.so
Invoking: GCC C Linker
gcc -shared -Wl,-soname=libjnetfilter.so -o"libjnetfilter.so" ./jnetfilter.o
Finished building target: libjnetfilter.so
but it the code does not run, and ldd gave me this:
ldd -d libjnetfilter.so
undefined symbol: nfq_open(./libjnetfilter.so)
linux-gate.so.1 => (0xb7f06000)
libc.so.6 => /lib/tls/i686/cmov/libc.so.6 (0xb7da7000)
/lib/ld-linux.so.2 (0xb7f07000)
im using ubuntu 8.04
can you please help me. Kind Regards
Kortheo
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